Re: Denial of Service in ZyXEL prestige 642R w/ZyNOS v2.50(FA.1)

[bd () bc-bd org]

hi,

> Description:
> A single jolt[1] packet will cause the router to stop passing
> traffic from the internal network for exactly 30 seconds.
>
> Affected versions:
> ZyNOS S/W Version: V2.50(FA.1) | 1/22/2002 (and below)
>
> Notes:
> A friendly soul told us this affected other ZyXEL models as well,
> but we dont have any around to test on.

i can reproduce this on a

  Prestige 310
  
running

  ZyNOS F/W Version: V3.25(M.01) | 7/25/2001

by
  bd